1
2
3
by Zambrano Mendoza, Jhonny; Amores Puyutaxi, Freddy Marcelo; Eskes, B.; Vasco Medina, Segundo Alfonso; Peña Monserrate, Geover Rolando
Published in 2006
Repository
4
Published in 2008
Repository
5
by Peña Monserrate, Geover Rolando; Motamayor, J. C.; Amores Puyutaxi, Freddy Marcelo; Monteverde, E.; Calderón Peña, Esteban Darío
Published in 2006
Repository
6
7
8
Published in 1995
Repository
9
10
11
Published in 1992
Repository
12
13
Published in 1992
Repository
14
Published in 2007
Repository
15
Published in 2006
Repository
16
17
Published in 1993
Repository
18
Published in 1993
Repository
19
by Vasco Medina, Segundo Alfonso; Amores Puyutaxi, Freddy Marcelo; Zambrano Mendoza, Jhonny; Saucedo, Alvaro
Published in 2004
Repository
20
Published in 2008
Repository